ghc-mod/Language/Haskell/GhcMod/Doc.hs
2013-07-14 17:07:30 +09:00

44 lines
1.3 KiB
Haskell

module Language.Haskell.GhcMod.Doc where
import DynFlags (DynFlags)
import Language.Haskell.GhcMod.Gap (withStyle)
import Outputable
import Pretty
----------------------------------------------------------------
{-
pretty :: Outputable a => a -> String
pretty = showSDocForUser neverQualify . ppr
debug :: Outputable a => a -> b -> b
debug x v = trace (pretty x) v
-}
----------------------------------------------------------------
styleQualified :: PprStyle
styleQualified = mkUserStyle alwaysQualify AllTheWay
styleUnqualified :: PprStyle
styleUnqualified = mkUserStyle neverQualify AllTheWay
----------------------------------------------------------------
-- For "ghc-mod type"
showQualifiedPage :: DynFlags -> SDoc -> String
showQualifiedPage dflag = showDocWith PageMode . withStyle dflag styleQualified
-- For "ghc-mod browse" and show GHC's error messages.
showUnqualifiedPage :: DynFlags -> SDoc -> String
showUnqualifiedPage dflag = Pretty.showDocWith Pretty.PageMode
. withStyle dflag styleUnqualified
-- Not used
showQualifiedOneLine :: DynFlags -> SDoc -> String
showQualifiedOneLine dflag = showDocWith OneLineMode . withStyle dflag styleQualified
-- To write Haskell code in a buffer
showUnqualifiedOneLine :: DynFlags -> SDoc -> String
showUnqualifiedOneLine dflag = showDocWith OneLineMode . withStyle dflag styleUnqualified